Silica in the Mesophyll Cell Walls of Italian Rye Grass (Lolium multiflorum Lam. cv. RvP)

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Abstract
Isolated cell envelopes from the leaf mesophyll of Italian rye grass were examined in a transmission electron microscope equipped with an energy-dispersive X-ray spectrometer. Silicon was detected in these walls at an estimated concentration of 1–2 per cent. Samples were also subjected to a range of techniques, for the removal of organic matter, which confirmed the presence of silica throughout the cell walls.